1	4
		3
				3
	5
			3
	2	1

Difficulty: Very hard (0)

1			6
2			3
		5
			5
		3			5
		4			1

Difficulty: Super easy (0)

	6
					2
		3		6
	1		3
5
				5

Difficulty: Super easy (0)

5
2		3
	1		6	3
	5	6		4
			5		1
					5

Difficulty: Super easy (0)